Developer Builds Android-Resilient PWA Heartbeat System for Edge AI Agents

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A developer building HormigasAIS, a lightweight edge architecture for constrained devices, has shared progress on a WebSocket client designed to maintain stable connections on real Android hardware. The system uses a custom binary protocol called LBH, which sends heartbeat and telemetry frames to a local Edge Node to keep communication channels alive. A key challenge was Android's aggressive background process management, which can silently kill WebSocket connections without triggering a standard close event. To address this, the developer added a visibility-change listener that immediately checks and restores the connection when a user returns to the app. Testing the installed PWA in split-screen mode confirmed that the socket survived screen locks and backgrounding, with heartbeat acknowledgements continuing to appear in the Edge Node logs.

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